EPIDEMIOLOGIC STUDY DESIGNS
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wk2epiassignment.docx
wk4epiassignrubrics.docx
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wk4epiassigninformation.docx
As introduced in the first few weeks of this course, investigators use various epidemiological study designs to study health problems and the effects of health interventions. You have examined several study designs, including descriptive designs (in Week 2) and analytic study designs that are observational (in Week 3) or experimental (this week). As an MSN or DNP student, you should be able to determine which study design would be most suitable for addressing a health problem of interest to you, as this is a foundation for evidence-based practice.
For this Assignment, you will identify an epidemiologic association of interest (e.g., smoking and lung cancer, obesity and heart disease, hormone replacement/modification therapy and breast cancer) and determine an appropriate study design for exploring that association.
For this Assignment, you will identify an epidemiologic association of interest (e.g., smoking and lung cancer, obesity and heart disease, hormone replacement/modification therapy and breast cancer) and determine an appropriate study design for exploring that association.
RESOURCES
Be sure to review the Learning Resources before completing this activity. Click the weekly resources link to access the resources.
TO PREPARE
· Consider an association between a risk factor and a particular health outcome that is of interest to you. Table 2.2, in Curley, has some excellent options. You may use this to guide your selection of topics or select your own population health topic.
· Then, select an observational OR experimental study design you think would be the most appropriate for exploring this association. You may select from any of the designs covered in this module.
THE ASSIGNMENT
In a 3- to 4-page paper, not including title page and references, address the following:
· Briefly identify the population health topic (association between a risk factor and a health outcome) you selected. Present a research question based on this topic that you would like to answer in a proposed study. (Consult the Walden “Developing Research” resource for guidance on crafting a research question.)
· Explain the epidemiologic study design that would be most appropriate to assess and address your population health problem.
· Summarize the data collection activities you would use (i.e., how you would collect data—online survey, paper/pen, mailing, etc.).
· Explain any specific methodologic strategies you would use. For example, if you were conducting a case-control study, how would you select your cases and controls?
· Consider the methods you would use to make these selections. What are the strengths and limitations of your selected approach?
· Explain ethical considerations pertaining to your study.
wk2epiassignment.docx
In this information age, where data are readily accessible and there is both a great demand for accelerated research projects and strict limitations on research funding, using existing data makes sense. Data used in this way are called secondary data; they come in many forms and contain information on just about anything—depending on who collected the information in the first place, and why.
As a health professional, you have access to a wide range of secondary data sources, including government agencies (such as, the Census Bureau or the Centers for Disease Control and Prevention) and private sources, including local health service providers. Global and international data are available from familiar sources, such as the World Health Organization and the United Nations. In addition, nearly every nation maintains statistics on social, economic, and environmental indicators, which contain a wealth of health information. As a member of the Walden community, you have access to the Inter-University Consortium for Political and Social Research (ICPSR), the world’s largest archival database of secondary data. You also have access to the Social Change Impact Report (SCIR) data sets—a Walden-owned database. There are also a number of sources and tutorials available to you through Walden’s Office of Research and Doctoral Quality. No matter the topic—be it vaccination rates, women’s access to mammography, or chronic lung disease—you can probably find an existing secondary data source related to the specific population health problem you are investigating. The next steps are to identify the variables in the data source that you would need to analyze to examine the association of interest and to assess the validity of the data source. For this Assignment, you delve into these issues in greater detail.
RESOURCES
Be sure to review the Learning Resources before completing this activity. Click the weekly resources link to access the resources.
TO PREPARE:
· Consider a variety of population health problems and then select one of professional interest on which to focus for this Assignment.
· Explore three data sources (data sets) presented in the Learning Resources that could aid you in describing the population and magnitude of the problem you selected. Consider the strengths and limitations of each data source.
THE ASSIGNMENT
In 3–4 pages (not including title page and references), analyze the data sources you selected by addressing the following:
· Briefly identify the population health problem you selected.
· Identify each data set you selected.
· Identify the variables in each data set you would need to examine the association of interest.
· Assess the validity of each data set. Has it been used for prior studies/publications?
· Explain challenges you might face as a researcher in identifying a proper data set or securing permission to use it.
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wk4epiassignrubrics.docx
k4_Assignment_Rubric
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NURS_8310_Week4_Assignment_Rubric |
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Criteria |
Ratings |
Pts |
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This criterion is linked to a Learning OutcomeIn a 3- to 4-page paper, not including title page and references, address the following: Briefly identify the population health topic (association between a risk factor and a health outcome) you selected. Present a research question based on this topic that you would like to answer in a proposed study. |
25 to >22.0 ptsExcellentThe response accurately, clearly, and concisely identifies the selected population health problem.... A clear and focused research question appropriate for the population health problem is presented. 22 to >19.0 ptsGoodThe response accurately identifies the selected population health problem.... An appropriate research question for the population health problem is presented. 19 to >17.0 ptsFairThe response somewhat inaccurately or vaguely identifies the selected population health problem.... A somewhat vague research question for the population health problem is presented. 17 to >0 ptsPoorThe response inaccurately and vaguely identifies the selected population health problem, or it is missing.... The research question for the population health problem is vague, misaligned, or missing. |
25 pts |
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This criterion is linked to a Learning OutcomeExplain the epidemiologic study design that would be most appropriate to assess and address your population health problem. |
25 to >22.0 ptsExcellentThe response accurately, clearly, and concisely explains the epidemiologic study design that would be most appropriate to assess and address the population health problem. 22 to >19.0 ptsGoodThe response accurately explains the epidemiologic study design that would be most appropriate to assess and address the population health problem. 19 to >17.0 ptsFairThe response somewhat inaccurately or vaguely explains the epidemiologic study design that would be most appropriate to assess and address the population health problem. 17 to >0 ptsPoorThe response inaccurately and vaguely explains the epidemiologic study design for the population health problem or is missing. |
25 pts |
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This criterion is linked to a Learning OutcomeSummarize the data collection activities you would use (i.e., how you would collect data—online survey, paper/pen, mailing, etc.). |
20 to >17.0 ptsExcellentA clear and concise summary of selected data collection activities is provided. 17 to >15.0 ptsGoodA clear summary of selected data collection activities is provided. 15 to >13.0 ptsFairA somewhat inaccurate or vague summary of selected data collection activities is provided. 13 to >0 ptsPoorAn inaccurate and vague summary of selected data collection activities is provided, or it is missing. |
20 pts |
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This criterion is linked to a Learning OutcomeExplain any specific methodologic strategies you would use. For example, if you were conducting a case-control study, how would you select your cases and controls? |
20 to >17.0 ptsExcellentAn accurate and detailed explanation of specific methodologic strategies is provided. 17 to >15.0 ptsGoodAn accurate explanation of specific methodologic strategies is provided. 15 to >13.0 ptsFairA somewhat inaccurate or vague explanation of specific methodologic strategies is provided. 13 to >0 ptsPoorAn inaccurate and vague explanation of methodologic strategies is provided, or it is missing. |
20 pts |
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This criterion is linked to a Learning OutcomeConsider the methods you would use to make these selections. What are the strengths and limitations of your selected approach? |
20 to >17.0 ptsExcellentAn accurate and detailed explanation of strengths and limitations of the selected methodological strategies is provided. 17 to >15.0 ptsGoodAn accurate explanation of strengths and limitations of the selected methodological strategies is provided. 15 to >13.0 ptsFairA somewhat inaccurate or vague explanation of strengths and limitations of the selected methodological strategies is provided. 13 to >0 ptsPoorAn inaccurate and vague explanation of strengths and limitations of the selected methodological strategies is provided, or it is missing. |
20 pts |
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This criterion is linked to a Learning OutcomeExplain ethical considerations pertaining to your study. |
25 to >22.0 ptsExcellentAn accurate and detailed explanation of ethical considerations pertaining to the proposed study is provided. 22 to >19.0 ptsGoodAn accurate explanation of ethical considerations pertaining to the proposed study is provided. 19 to >17.0 ptsFairA somewhat inaccurate or vague explanation of ethical considerations pertaining to the proposed study is provided. 17 to >0 ptsPoorAn inaccurate and vague explanation of ethical considerations pertaining to the proposed study is provided, or it is missing. |
25 pts |
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This criterion is linked to a Learning OutcomeWritten Expression and Formatting—Paragraph Development and Organization: Paragraphs make clear points that support well-developed ideas, flow logically, and demonstrate continuity of ideas. Sentences are carefully focused—neither long and rambling nor short and lacking substance. A clear and comprehensive purpose statement and introduction is provided which delineates all required criteria. |
5 to >4.0 ptsExcellentParagraphs and sentences follow writing standards for flow, continuity, and clarity.... A clear and comprehensive purpose statement, introduction, and conclusion is provided which delineates all required criteria. 4 to >3.5 ptsGoodParagraphs and sentences follow writing standards for flow, continuity, and clarity 80% of the time.... Purpose, introduction, and conclusion of the assignment is stated, yet is brief and not descriptive. 3.5 to >3.0 ptsFairParagraphs and sentences follow writing standards for flow, continuity, and clarity 60%–79% of the time.... Purpose, introduction, and conclusion of the assignment is vague or off topic. 3 to >0 ptsPoorParagraphs and sentences follow writing standards for flow, continuity, and clarity < 60% of the time.... No purpose statement, introduction, or conclusion was provided. |
5 pts |
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This criterion is linked to a Learning OutcomeWritten Expression and Formatting—English writing standards: Correct grammar, mechanics, and proper punctuation |
5 to >4.0 ptsExcellentUses correct grammar, spelling, and punctuation with no errors. 4 to >3.5 ptsGoodContains a few (1 or 2) grammar, spelling, and punctuation errors. 3.5 to >3.0 ptsFairContains several (3 or 4) grammar, spelling, and punctuation errors. 3 to >0 ptsPoorContains many (≥ 5) grammar, spelling, and punctuation errors that interfere with the reader’s understanding. |
5 pts |
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This criterion is linked to a Learning OutcomeWritten Expression and Formatting: The paper follows correct APA format for title page, headings, font, spacing, margins, indentations, page numbers, parenthetical/in-text citations, and reference list. |
5 to >4.0 ptsExcellentUses correct APA format with no errors. 4 to >3.5 ptsGoodContains a few (1 or 2) APA format errors. 3.5 to >3.0 ptsFairContains several (3 or 4) APA format errors. 3 to >0 ptsPoorContains many (≥ 5) APA format errors. |
5 pts |
Total Points: 150
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